CN101634401A - Design scheme for multi-variety and series LED illuminating lamps, and control circuits and universal modularized printed circuit boards thereof - Google Patents
Design scheme for multi-variety and series LED illuminating lamps, and control circuits and universal modularized printed circuit boards thereof Download PDFInfo
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- CN101634401A CN101634401A CN200810058709A CN200810058709A CN101634401A CN 101634401 A CN101634401 A CN 101634401A CN 200810058709 A CN200810058709 A CN 200810058709A CN 200810058709 A CN200810058709 A CN 200810058709A CN 101634401 A CN101634401 A CN 101634401A
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- 238000004080 punching Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 description 5
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- 238000004134 energy conservation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
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Abstract
The invention provides a design scheme for multi-variety and series LED illuminating lamps, and control circuits and universal modularized printed circuit boards thereof, and mainly solves the problems of complicated circuit technical structure by adopting a switch power supply, low efficiency due to voltage reduction of resistors and capacitors, poor universality due to a non-modularized printed circuit board design, poor safety and reliability, high manufacturing cost and the like of the prior LED illuminating lamp. The circuits adopt a current-limiting fuse resistor to limit current and play a role of insurance, carry out bridge rectification and parallel capacitor filter on commercial power through a rectifier bridge, and adopt a positive temperature coefficient thermistor to carry out constant current compensation on an LED series circuit unit to ensure that the LED constantly works in the best state without being influenced by environmental temperature and to furthest improve efficiency, prolongs the service life of the LED, and reduces the manufacturing cost. The design scheme adopts two circuit structures and modularized universal printed circuit board structures to ensure the variety and series of products, assembles multi-variety and series lamps freely according to lamp models, greatly reduces the production cost, and is convenient to promote and popularize the LED illuminating lamps.
Description
Affiliated technical field:
The design relates to many kinds, series LED illuminating lamps and control circuit and universal, modular PCB.
Background technology:
LED is a light emitting diode, is a kind of semiconductor solid-state luminescent device.The LED illuminating product is exactly the ligthing paraphernalia that utilizes the ultra-high brightness LED light source to make.It is the new and effective solid-state cold light source that a kind of novel faint electric energy just can be luminous.Owing to adopt the LED illumination to have advantages such as energy-saving and environmental protection, longevity.Therefore, in recent years, main in the world developed country and relevant major company, research institution all dropped into very big strength development ultra-high brightness LED.At present, the unit that carries out the Application and Development of ultra-high brightness LED ligthing paraphernalia and production both at home and abroad is a lot, but all has the circuit structure complexity, as adopting Switching Power Supply, process structure complexity; The resistance capacitance step-down, efficient is low; The design of non-modularization printed circuit board (PCB), versatility is poor; And security, poor reliability etc.Thereby production cost is higher, causes product market price higher, is unfavorable for popularizing of LED ligthing paraphernalia.
Summary of the invention:
For overcoming the prior art deficiency, the present invention is many kinds, series LED illuminating lamps and control circuit and universal, the design of modular PCB.Have circuit and process structure is simple, safeguard measure is perfect, and fault rate is low, can many kinds, seriation, large-scale production.Thereby production cost is lower, and is suitable with the electricity-saving lamp of selling in the market, is easy to popularize, and can benefit masses as early as possible.
The present invention is for solving its technical problem, on circuit, adopt current limliting insurance resistance to carry out current limliting and play safety effect, through rectifier bridge civil power is directly carried out the filtering of bridge rectifier shunt capacitance, and according to the characteristics of LED (promptly during this device forward conduction, junction voltage can descend with the rising of environment temperature, promptly be-2mv/c ° is called the negative temperature effect of PN junction), adopt semistor that LED series circuit unit is carried out the constant current compensation, make LED not be subjected to the influence of environment temperature, all the time work in the optimum current state, raise the efficiency to greatest extent; Prolong LED service life (near or reach theoretical 100,000 hours life-spans); Simplify circuit structure, improved reliability; For accomplishing product diversification, seriation, adopted universal, modular PCB structure, can make up arbitrarily according to the lamp type, greatly reduce production cost, be convenient to popularizing of LED illuminating lamp.
The invention has the beneficial effects as follows: at present, the electricity-saving lamp product is numerous on the market, and technology will be calculated the LED illuminating lamp than advanced person and environmental protection.Compare with traditional incandescent lamp and energy-saving fluorescent lamp, the LED illuminating lamp that the present invention relates to has following advantage:
1, energy savings and general with existing lamp type: the LED illuminating lamp is compared with conventional incandescent and energy-saving fluorescent lamp, under the equal illumination, the LED illuminating lamp economizes on electricity more than 80% than incandescent lamp, than energy-saving fluorescent lamp economize on electricity about 50%, estimate according to the researcher Chen Lianghui of semiconducter research institute of the Chinese Academy of Sciences, as long as the whole nation has 1/3 incandescent lamp to be replaced by the LED illuminating lamp a few days ago, can be country's economize on electricity 1,000 hundred million degree every year, be equivalent to the generated energy in 1 year of Three Gorges Projects.General with existing lamp type, can directly replace existing incandescent lamp and energy-saving fluorescent lamp.
2, longevity, environmental protection, low consumption: a few days ago, the life-span of incandescent lamp is 1000-2000 hour, and the energy-saving fluorescent lamp life-span is 2000-6000 hour, and the theoretical life-span of LED illuminating lamp is 100,000 hours, is 50-100 times of incandescent lamp, is 15-50 times of energy-saving fluorescent lamp.Produce harmful substances such as the LED illuminating lamp is not leaded, mercury.And in the life cycle of LED illuminating lamp, lack than incandescent lamp and to abandon the only waste and old bulb of 50-100, lack than energy-saving fluorescent lamp and to abandon 15-50 waste fluorescent lamp and bulb, significantly reduced loss to resource, reduced the used human resources that more change the bulb, reduced the pollution of waste and old bulb, fluorescent tube environment.It is real green illumination product.
3, good stability: have no stroboscopic, optional majority kind colour temperature and color, no electromagnetism and noise jamming, frequently switch (the switch number of times is 300 times of energy-saving fluorescent lamp) but, characteristics such as good, the working voltage wide ranges of the control of tunable optical acousto-optic, vibration strength.In sum, under the background of current global energy shortage, energy-conservation, consumption reduction and sustainable development are the subject matter that we face.At lighting field, the LED luminous product is a developing tendency in future as a kind of novel green light source product.It is the novel illumination epoch of representative that 21st century will enter with LED.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
Figure 1A and Figure 1B are electrical schematic diagrams of the present invention.
Among Figure 1A, 1, in the current limliting insurance resistance 2, rectifier bridge 3, semistor 4, LED series unit, Figure 1B than Figure 1A, increased filter capacitor 5
Fig. 2 A and Fig. 2 B are the printed circuit board (PCB) of the present invention and the LED location drawing.
Fig. 3 A and Fig. 3 B are lamp body outside drawings of the present invention.
Fig. 4 is a LED lamp body sectional structural map of the present invention.
Among Fig. 4,1, center tube connector 2, clamp 3, lamp holder 4, LED lamp group printed circuit board (PCB) 5, lampshade up and down
Fig. 5 is a printed circuit board (PCB) disassembly diagram of the present invention.
Fig. 6 Fig. 7 is lamp holder of the present invention clamp figure up and down.
Among Fig. 6 Fig. 7,1, center tube connector buckle 2, printed circuit board (PCB) draw-in groove 3, LED lamp group printed circuit board (PCB)
The specific embodiment:
The present invention is divided into two unit; The A unit adopted on the circuit civil power behind current limliting insurance resistance 1 directly through rectifier bridge 2 rectifications, through thermistor 3 constant currents and be connected in series with in the LED series circuit unit 4.According to U=3v+N * 3.4v, U is the operating voltage behind the commercial power rectification in the formula, and U=220v * 0.9=198v according to following formula N=198v-3v/3.4=58, needs 58 LED polyphones (seeing Figure 1A).Printed circuit board (PCB) is the compact single board design, the LED polyphone also welds on it and (sees Fig. 2 A), lamp body is the design of square fillet, combine by lamp holder 3, printed circuit board (PCB) and LED series circuit (Fig. 2 A) and astigmatic lampshade 5, power is 3W, is equivalent to the brightness (seeing Fig. 3 A) of energy-saving fluorescent lamp 5-7W.Be applicable to passageway, toilet etc. locate the illumination.
The B unit on circuit, adopted civil power through current limliting insurance resistance 1 after rectifier bridge 2 direct rectifications, and increased filter capacitor 5, eliminated the 100HZ stroboscopic, through thermistor 3 constant currents and be connected in series with in the LED series circuit unit 4.Improve voltage, increased brightness.
Because of having increased filter capacitor, so U=220v * 1.414=310v, N=310v-3v/3.4v=91 need be with 91 LED, and power is 5W.Printed circuit board (PCB) is universal modularized design, can make up arbitrarily according to the lamp type, be convenient to the variation and the seriation of product, (seeing Fig. 2 B) every is divided into 4 fritters, two row totally 22 LED (see figure 5)s are arranged on every fritter, per 4 fritters polyphone is a lighting unit module, and printed circuit board (PCB) is shaped grooved detachable (seeing Fig. 2 B), helps large-scale production.Welding LED etc. can put in order plate during element, and the multimode element solder is unit according to watt level, lamp type, lamp ﹠ lantern with a fritter during assembling, and 4 is a lighting unit module independent assortment, so that many kinds, producing in serial form.As: after adding lampshade, lamp base behind a lighting unit module of the 4 fritters (see figure 5) in-line arrangement polyphone, can replace the 8---11W fluorescent tube.With the 2 fritter 2---4 that connect together lighting unit module in-lines arrange polyphone and subdivision and connect after can replace the 20---40W fluorescent tube after adding lampshade, lamp base.Luminous with one or more lighting unit module (Fig. 2 B) single face, can be used for lamp affixed to the ceiling.Luminous with a lighting unit module (Fig. 2 B) single face, can be used for desk lamp after adding shell, lampshade.A lighting unit module (Fig. 2 B) is converted in the draw-in groove (Fig. 7) 2 that type both sides, 4 limit snap in clamp up and down, is middlely connected by center tube connector (Fig. 4) 1, adds lamp holder (Fig. 4) 3, can replace 40W bulb and 7---11W energy-saving fluorescent lamp behind the lampshade (Fig. 4) 5.After being converted in the draw-in groove that type both sides, 8 limit snap in clamp up and down (Fig. 6) 2 and subdivision and connecting with two lighting unit modules (Fig. 2 B), middle by center tube connector (Fig. 4) 1 connection, after adding lamp holder (Fig. 4) 3 lampshades (Fig. 4) 5, can replace 60-100W bulb and 13---18W energy-saving fluorescent lamp.After being converted in the draw-in groove that type both sides, 8 limit snap in clamp up and down (Fig. 6) 2 and subdivision after contacting in twos with four lighting unit modules (Fig. 2 B) and connecting, middle by center tube connector (Fig. 4) 1 connection, can replace 150-200W bulb and 18---26W energy-saving fluorescent lamp after adding lamp holder (Fig. 4) 3 lampshades (Fig. 4) 5.
Claims (5)
1, many kinds, series LED illuminating lamps and control circuit and modular PCB design thereof.It is characterized in that: circuit structure is simple, and safeguard measure is perfect, and fault rate is low, thereby production cost is lower, can many kinds, seriation, large-scale production LED illuminating lamp.
2, according to claims 1 described LED illuminating lamp control circuit design, its circuit feature is: at first, adopt current limliting insurance resistance to carry out current limliting and play safety effect, through rectifier bridge civil power is carried out bridge rectifier and shunt capacitance then and carry out filtering (A unit not must shunt capacitance carry out filtering), it is luminous through semistor LED series circuit unit to be carried out constant current compensation rear drive LED series circuit unit again.
3, according to the printed circuit board (PCB) design of claims 1 described LED illuminating lamp, its printed circuit board arrangement feature is: adopt universal modularized design, each lighting unit module is divided into 4 fritters, 22 LED of two row are arranged on every fritter, printed circuit board (PCB) is fluting punching half connected mode, is convenient to the welding of element or splits and combination when the assembling according to the lamp type of LED illuminating lamp, power.
4, be characterized in according to claims 1 described LED illuminating lamp design: can many kinds, producing in serial form.As: after adding lampshade, lamp base behind a lighting unit module of the 4 fritters in-line arrangement polyphone, can replace the 8---11W fluorescent tube.With the 2 fritter 2---4 that connect together lighting unit module in-lines arrange polyphone and subdivision and connect after can replace the 20---40W fluorescent tube after adding lampshade, lamp base.Luminous with one or more lighting unit module single face, can be used for lamp affixed to the ceiling.Luminous with a lighting unit module single face, can be used for desk lamp after adding shell, lampshade.
5, according to claims 1 described LED illuminating lamp, the characteristics of its lamp body are: adopt E27, B22 lamp holder, lamp holder is connected with buckle with last clamp, be connected with following clamp by the center tube connector again, use the draw-in groove fixed printed circuit board up and down between the clamp, and adopt 4 draw-in groove clamps and 8 draw-in groove clamps, and the center tube connector of different length according to LED illuminating lamp watt level.Be converted in the draw-in groove that type both sides, 4 limit snap in clamp up and down as: lighting unit module, middlely be connected and fixed, add lamp holder, can replace 40W bulb and 7---11W energy-saving fluorescent lamp behind the lampshade by the center tube connector.With two lighting unit modules be converted in the draw-in groove that type both sides, 8 limit snap in clamp up and down and subdivision and connect after, middlely be connected and fixed by the center tube connector, add the lamp holder lampshade after, can replace 60-100W bulb and 13---18W energy-saving fluorescent lamp.Be converted in the draw-in groove that type both sides, 8 limit snap in clamp up and down after contacting in twos with four lighting unit modules and subdivision and connect after, middlely be connected and fixed by the center tube connector, can replace 150-200W bulb and 18---26W energy-saving fluorescent lamp after adding the lamp holder lampshade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810058709A CN101634401A (en) | 2008-07-21 | 2008-07-21 | Design scheme for multi-variety and series LED illuminating lamps, and control circuits and universal modularized printed circuit boards thereof |
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| CN200810058709A CN101634401A (en) | 2008-07-21 | 2008-07-21 | Design scheme for multi-variety and series LED illuminating lamps, and control circuits and universal modularized printed circuit boards thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401247A (en) * | 2010-09-08 | 2012-04-04 | 神讯电脑(昆山)有限公司 | Light emitting diode (LED) illumination equipment |
| CN102705718A (en) * | 2011-04-19 | 2012-10-03 | 雷德技术(芜湖)有限公司 | Single-element control constant current light-emitting diode (LED) module |
| WO2013131252A1 (en) * | 2012-03-06 | 2013-09-12 | 上海嘉塘电子有限公司 | Built-in led operating circuit capable of dimming led lamp |
| CN104902656A (en) * | 2015-07-01 | 2015-09-09 | 上海顿格电子贸易有限公司 | Driving circuit of LED (light-emitting diode) lamp as well as lighting equipment |
| TWI562679B (en) * | 2012-01-18 | 2016-12-11 | Polytronics Technology Corp | Current-limiting device and light-emitting diode apparatus containing the same |
-
2008
- 2008-07-21 CN CN200810058709A patent/CN101634401A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401247A (en) * | 2010-09-08 | 2012-04-04 | 神讯电脑(昆山)有限公司 | Light emitting diode (LED) illumination equipment |
| CN102705718A (en) * | 2011-04-19 | 2012-10-03 | 雷德技术(芜湖)有限公司 | Single-element control constant current light-emitting diode (LED) module |
| TWI562679B (en) * | 2012-01-18 | 2016-12-11 | Polytronics Technology Corp | Current-limiting device and light-emitting diode apparatus containing the same |
| WO2013131252A1 (en) * | 2012-03-06 | 2013-09-12 | 上海嘉塘电子有限公司 | Built-in led operating circuit capable of dimming led lamp |
| CN104902656A (en) * | 2015-07-01 | 2015-09-09 | 上海顿格电子贸易有限公司 | Driving circuit of LED (light-emitting diode) lamp as well as lighting equipment |
| WO2017000381A1 (en) * | 2015-07-01 | 2017-01-05 | 上海顿格电子贸易有限公司 | Drive circuit and lighting device of led lamp |
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Open date: 20100127 |